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What Is a CPAP Device?

Sleep apnea occurs when a person's airway becomes blocked, causing breathing and sleeping interruptions for as long as 30 seconds, according to the American Academy of Family Physicians (AAFP). Fortunately, many treatments are available. Among these treatments is a continuous positive airway pressure (CPAP) device.

  1. Function

    • CPAP devices create pressure by introducing air into a person's airways, according to the American Sleep Apnea Association. The positive pressure prevents the airways from collapsing by pushing the tongue forward, according to the AAFP. This method allows air to freely flow to the throat.

    Features

    • Most CPAP devices include three major features: a mask that covers the nose or mouth; a tube that connects the mask to the motor; and a motor that directs air through the tube to the mask, according to the National Heart Lung and Blood Institute (NHLBI). Some devices may contain extra pieces such as humidifiers, which may make the CPAP device more comfortable.

    Considerations

    • All CPAP devices are regulated by the Food and Drug Administration. Usually covered by medical insurance, CPAP devices require a physician prescription before purchasing.

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